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Finding the Fourth Proportional to 1,826,616.62, 2,520,668.88 and 1,010,854.70

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Solution

The fourth proportional to 1,826,616.62, 2,520,668.88 and 1,010,854.70 is: 1,394,945.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,826,616.62 : 2,520,668.88 = 1,010,854.70 : x
  2. Step 2: Convert to fraction form
    1,826,616.62/2,520,668.88 = 1,010,854.70/x
  3. Step 3: Cross multiply
    1,826,616.62x = 2,520,668.88 × 1,010,854.70
  4. Step 4: Simplify right side
    1,826,616.62x = 2,548,029,984,491.74
  5. Step 5: Solve for x
    x = 2,548,029,984,491.74/1,826,616.62
  6. Step 6: Final answer
    x = 1,394,945.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.